Documentation

Hotplug CPU (LHCS)

Kernel Configuration:

CONFIG_STOP_MACHINE=y
CONFIG_ACPI_HOTPLUG_CPU=y # valid only on some architectures
CONFIG_ACPI_CONTAINER=y # valid only on some architectures
CONFIG_HOTPLUG_CPU=y

Joel Schopp's Regression Tests:

• http://lists.osdl.org/pipermail/hotplug_sig/2004-December/000068.html

IPF Regression Test:

• http://lists.osdl.org/pipermail/hotplug_sig/2004-December/000072.html

Hotplug Memory (LHMS)

Kernel Configuration:

CONFIG_HIGHMEM=y # needs to be enabled for ia32, to
be fixed.
CONFIG_NONLINEAR=y
CONFIG_LOCAL_MEM_MAP=y
CONFIG_MEMORY_HOTPLUG=y
CONFIG_MEMORY_MIGRATE=y
CONFIG_ACPI_HOTPLUG_MEMORY=y # valid only on some architectures

Memory Migration Regression Test:

• http://people.valinux.co.jp/~iwamoto/mh/tests/
• The 041126 tests are failing on our ia32 system. http://sourceforge.net/mailarchive/message.php?msg_id=10234483

Gap Analysis

• lhms patches require allocator bitmaps to be removed. http://sourceforge.net/mailarchive/message.php?msg_id=10234482

Other Documentation

• CPU Hotplug Test Cases